Table 2.
—Prediction Equations for Lobar Volume at Full Inflation by Race: Derivation Cohort and Validation Cohort
| Lobe | Prediction Equation | Model R2 |
| LLL | ||
| NHW (n = 755) | = −1897.26 + 18.82(ht) + 208.18(male) | 0.68 |
| AA (n = 260) | = −1752.02 + 16.43(ht) + 226.84(male) | 0.64 |
| LUL | ||
| NHW (n = 755) | = −1459.08 + 15.90(ht) + 297.56(male) | 0.74 |
| AA (n = 260) | = −1496.77 + 15.53(ht) + 253.84(male) | 0.76 |
| RLL | ||
| NHW (n = 755) | = −1667.14 + 18.20(ht) + 189.14(male) | 0.64 |
| AA (n = 260) | = −1581.19 + 16.07(ht) + 180.09(male) | 0.59 |
| RML | ||
| NHW (n = 755) | = −827.34 + 7.60(ht) + 87.95(male) | 0.55 |
| AA (n = 260) | = −679.79 + 6.30(ht) + 95.56(male) | 0.52 |
| RUL | ||
| NHW (n = 755) | = −858.36 + 11.06(ht) + 248.28(male) | 0.65 |
| AA (n = 260) | = −700.25 + 9.74(ht) + 203.98(male) | 0.56 |
ht = height in cm; LLL = left lower lobe; LUL = left upper lobe; male = 1 for male and 0 for female; RLL = right lower lobe; RML = right middle lobe; RUL = right upper lobe. See Table 1 legend for expansion of other abbreviations.